Finding the Fourth Proportional to 4,211,882.01, 6,318,610.40 and 1,687,734.09
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Solution
The fourth proportional to 4,211,882.01, 6,318,610.40 and 1,687,734.09 is: 2,531,916.65
Step by Step Solution
- Step 1: Write the proportion equation
4,211,882.01 : 6,318,610.40 = 1,687,734.09 : x - Step 2: Convert to fraction form
4,211,882.01/6,318,610.40 = 1,687,734.09/x - Step 3: Cross multiply
4,211,882.01x = 6,318,610.40 × 1,687,734.09 - Step 4: Simplify right side
4,211,882.01x = 10,664,134,177,727.87 - Step 5: Solve for x
x = 10,664,134,177,727.87/4,211,882.01 - Step 6: Final answer
x = 2,531,916.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.